ASTM D7314 - 10

    Standard Practice for Determination of the Heating Value of Gaseous Fuels using Calorimetry and On-line/At-line Sampling

    Active Standard ASTM D7314 | Developed by Subcommittee: D03.12

    Book of Standards Volume: 05.06


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    Significance and Use

    On-line, at-line, in-line and other near-real time monitoring systems that measure fuel gas characteristics such as heating value are prevalent in various gaseous fuel industries and in industries either producing or using gaseous fuel in their industrial processes. The installation and operation of particular systems vary depending on process type, regulatory requirements, and the users objectives and performance requirements. This practice is intended to provide guidance for standardized start-up procedures, operating procedures, and quality assurance practices for calorimeter based on-line, at-line, in-line and other near-real time heating value monitoring systems. Users employing gas chromatographic based instrumentation for measurement of gaseous fuel heating value are referred to Practice D7164.

    1. Scope

    1.1 This practice is for the determination of the heating value measurement of gaseous fuels using a calorimeter. Heating value determination of sample gasses containing water vapor will require vapor phase moisture measurements of the pre-combustion sample gas as well as the non-condensed gasses exiting the calorimeter. Instruments equipped with appropriate conditioners and algorithms may provide heating value results on a net or gross and dry or wet basis.

    1.2 This practice is applicable to at-line and in-line instruments that are operated from time to time on a continuous basis.

    1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

    1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D1070 Test Methods for Relative Density of Gaseous Fuels

    D1826 Test Method for Calorific (Heating) Value of Gases in Natural Gas Range by Continuous Recording Calorimeter

    D3588 Practice for Calculating Heat Value, Compressibility Factor, and Relative Density of Gaseous Fuels

    D3764 Practice for Validation of the Performance of Process Stream Analyzer Systems

    D4150 Terminology Relating to Gaseous Fuels

    D4891 Test Method for Heating Value of Gases in Natural Gas Range by Stoichiometric Combustion

    D5287 Practice for Automatic Sampling of Gaseous Fuels

    D5503 Practice for Natural Gas Sample-Handling and Conditioning Systems for Pipeline Instrumentation

    D6122 Practice for Validation of the Performance of Multivariate Online, At-Line, and Laboratory Infrared Spectrophotometer Based Analyzer Systems

    D6299 Practice for Applying Statistical Quality Assurance and Control Charting Techniques to Evaluate Analytical Measurement System Performance

    D6621 Practice for Performance Testing of Process Analyzers for Aromatic Hydrocarbon Materials

    D7164 Practice for On-line/At-line Heating Value Determination of Gaseous Fuels by Gas Chromatography

    ISO Standards

    ISO7504 Gas analysis Vocabulary


    ICS Code

    ICS Number Code 17.200.10 (Heat. Calorimetry)

    UNSPSC Code

    UNSPSC Code 15111500(Gaseous fuels)


    DOI: 10.1520/D7314-10

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